A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.
| Directing | Samuel Fuller | Director |
| Writing | Jesse Lasky Jr. | Screenplay |
| Writing | Samuel Fuller | Screenplay |
| Production | Raymond A. Klune | Producer |
| Camera | Joseph MacDonald | Director of Photography |
| Editing | James B. Clark | Editor |
| Writing | David Hempstead | Story |
| Costume & Make-Up | Travilla | Costume Designer |
| Sound | Alfred Newman | Original Music Composer |
